Optional. It's all optional. If you don't like it, don't use it. Greater Magic Weapon isn't a problem. It doesn't work. How do I know? Because it talks about the fact that they have to actually have that bonus. If they don't put in some sort of little disclaimer that specifically says that xyz doesn't work, I don't care. Why do people always need every tiny thing spelled out to such a ridiculous degree? Seriously. Only one gem can go into something. Sure, Truedeath is great for some characters. BUT, as long as you have it in, you don't have another one in. Who knows what else will be in that book? If you don't want things switched out so easy, change it. If you can't change the rules, that's your own fault. Stop complaining about every little thing.